<!--
设定多租户选择select
返回tenants列表,租户名称,租户id
-->
<template>
  <div class="login">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form">
      <h3 class="title">安全培训管理系统</h3>
      <el-form-item prop="tenantId">
        <el-select v-model="loginForm.tenantId" type="text" auto-complete="off" placeholder="租户" style="width:100%">
          <el-option v-for="item in tenants" :key="item.deptId" :label="item.deptName" :value="item.deptId"></el-option>
          <svg-icon slot="prefix" icon-class="user" class="el-select-dropdown__list select-icon"/>
        </el-select>
      </el-form-item>
      <el-form-item prop="username">
        <el-input v-model="loginForm.username" type="text" auto-complete="off" placeholder="账号">
          <svg-icon slot="prefix" icon-class="user" class="el-input__icon input-icon"/>
        </el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input
          v-model="loginForm.password"
          type="password"
          auto-complete="off"
          placeholder="密码"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="password" class="el-input__icon input-icon"/>
        </el-input>
      </el-form-item>
      <el-form-item prop="code">
        <el-input
          v-model="loginForm.code"
          auto-complete="off"
          placeholder="验证码"
          style="width: 63%"
          @keyup.enter.native="handleLogin"
        >
          <svg-icon slot="prefix" icon-class="validCode" class="el-input__icon input-icon"/>
        </el-input>
        <div class="login-code">
          <img :src="codeUrl" @click="getCode"/>
        </div>
      </el-form-item>
      <el-checkbox v-model="loginForm.rememberMe" style="margin:0px 0px 25px 0px;">记住密码</el-checkbox>
      <el-form-item style="width:100%;">
        <el-button
          :loading="loading"
          size="medium"
          type="primary"
          style="width:100%;"
          @click.native.prevent="handleLogin"
        >
          <span v-if="!loading">登 录</span>
          <span v-else>登 录 中...</span>
        </el-button>
      </el-form-item>
    </el-form>
    <!--  底部  -->
    <div class="el-login-footer">
      <span>Copyright © 2018-2019 implements All Rights Reserved.</span>
    </div>
  </div>
</template>

<script>
  import {getCodeImg} from "@/api/login";
  import Cookies from "js-cookie";
  import {encrypt, decrypt} from '@/utils/jsencrypt';
  import { getAllDepts } from "@/api/system/dept";

  export default {
    name: "Login",
    data() {
      return {
        tenantId: "",
        tenants: "",
        codeUrl: "",
        cookiePassword: "",
        loginForm: {
          // deptId: "",
          username: "",
          password: "",
          rememberMe: false,
          code: "",
          uuid: ""
        },
        loginRules: {
          tenants: [
            {required: false, trigger: "blur", message: "租户请选择租户登陆"}
          ],
          username: [
            {required: true, trigger: "blur", message: "用户名不能为空"}
          ],
          password: [
            {required: true, trigger: "blur", message: "密码不能为空"}
          ],
          code: [{required: true, trigger: "change", message: "验证码不能为空"}]
        },
        loading: false,
        redirect: undefined
      };
    },
    watch: {
      $route: {
        handler: function (route) {
          this.redirect = route.query && route.query.redirect;
        },
        immediate: true
      }
    },
    //创建时就发生
    created() {
      this.getCode();
      this.getCookie();
      this.getAllDeptsTenants();
    },
    //方法集合
    methods: {
      /** 查询部门下拉树结构 */
      getAllDeptsTenants() {
        getAllDepts().then(response => {
          this.tenants = response.data;
          this.tenantId = response.data.deptId;
          // console.log("response.data:"+JSON.stringify(response.data));
          // console.log("response.data.deptId:"+JSON.stringify(response.data[1].deptId));
        });
      },
      getCode() {
        getCodeImg().then(res => {
          this.codeUrl = "data:image/gif;base64," + res.img;
          this.loginForm.uuid = res.uuid;
        });
      },
      getCookie() {
        const tenantId = Cookies.get("tenantId");
        const username = Cookies.get("username");
        const password = Cookies.get("password");
        const rememberMe = Cookies.get('rememberMe')
        this.loginForm = {
          tenantId: tenantId === undefined ? this.loginForm.tenantId : tenantId,
          username: username === undefined ? this.loginForm.username : username,
          password: password === undefined ? this.loginForm.password : decrypt(password),
          rememberMe: rememberMe === undefined ? false : Boolean(rememberMe)
        };
      },
      handleLogin() {
        // if (el - select没有进行了选中) {
        //   //进行原始登陆 (原页面)
        //   this.$refs.loginForm.validate(valid => {
        //     if (valid) {
        //       this.loading = true;
        //       if (this.loginForm.rememberMe) {
        //         Cookies.set("username", this.loginForm.username, {expires: 30});
        //         Cookies.set("password", encrypt(this.loginForm.password), {expires: 30});
        //         Cookies.set('rememberMe', this.loginForm.rememberMe, {expires: 30});
        //       } else {
        //         Cookies.remove("username");
        //         Cookies.remove("password");
        //         Cookies.remove('rememberMe');
        //       }
        //       this.$store
        //         .dispatch("Login", this.loginForm)
        //         .then(() => {
        //           this.$router.push({path: this.redirect || "/"});
        //         })
        //         .catch(() => {
        //           this.loading = false;
        //           this.getCode();
        //         });
        //     }
        //   });
        // } else {
          //否则进行多租户界面登陆(租户页面)
          this.$refs.loginForm.validate(valid => {
            if (valid) {
              this.loading = true;
              if (this.loginForm.rememberMe) {
                Cookies.set("username", this.loginForm.username, {expires: 30});
                Cookies.set("password", encrypt(this.loginForm.password), {expires: 30});
                Cookies.set('rememberMe', this.loginForm.rememberMe, {expires: 30});
                Cookies.set("tenantId", this.loginForm.tenantId, {expires: 30});
              } else {
                Cookies.remove("username");
                Cookies.remove("password");
                Cookies.remove('rememberMe');
                Cookies.remove("tenantId");
              }
              console.log("dispatch start")
              this.$store
                .dispatch("Login", this.loginForm)
                .then(() => {
                  this.$router.push({path: this.redirect || "/ "});
                })
                .catch(() => {
                  this.loading = false;
                  this.getCode();
                });
            }
          });
        // }
      }
    }
  };
</script>

<style rel="stylesheet/scss" lang="scss">
  .login {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    background-image: url("../assets/image/login-background.jpg");
    background-size: cover;
  }

  .title {
    margin: 0px auto 30px auto;
    text-align: center;
    color: #707070;
  }

  .login-form {
    border-radius: 6px;
    background: #ffffff;
    width: 400px;
    padding: 25px 25px 5px 25px;

    .el-input {
      height: 38px;

      input {
        height: 38px;
      }
    }

    .input-icon {
      height: 39px;
      width: 14px;
      margin-left: 2px;
    }
  }

  .login-tip {
    font-size: 13px;
    text-align: center;
    color: #bfbfbf;
  }

  .login-code {
    width: 33%;
    height: 38px;
    float: right;

    img {
      cursor: pointer;
      vertical-align: middle;
    }
  }

  .el-login-footer {
    height: 40px;
    line-height: 40px;
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    color: #fff;
    font-family: Arial;
    font-size: 12px;
    letter-spacing: 1px;
  }
</style>
